org.zaval.data
Interface MatrixModel

All Known Implementing Classes:

Matrix, LwTreeGrid

public interface MatrixModel

This interface provides ability to manipulate with matrix-like data structures.

Method Summary
void	addMatrixListener(MatrixListener l)           Adds the matrix listener to be notified whenever the matrix cell has been updated or the matrix dimension has been changed.
java.lang.Object	get(int row, int col)           Gets the value of the specified cell.
int	getCols()           Gets the number of columns.
int	getRows()           Gets the number of rows.
void	put(int row, int col, java.lang.Object obj)           Updates the specified cell with the specified value.
void	removeCols(int begcol, int count)           Removes the specified number of columns starting from the given column.
void	removeMatrixListener(MatrixListener l)           Removes the matrix listener.
void	removeRows(int begrow, int count)           Removes the specified number of rows starting from the given row.

 

Method Detail

getRows

public int getRows()

Gets the number of rows.

Returns:

a number of rows.

getCols

public int getCols()

Gets the number of columns.

Returns:

a number of columns.

get

public java.lang.Object get(int row,
                            int col)

Gets the value of the specified cell.

Parameters:

row - the specified row.

col - the specified column.

Returns:

a value.

put

public void put(int row,
                int col,
                java.lang.Object obj)

Updates the specified cell with the specified value.

Parameters:

row - the specified row.

col - the specified column.

obj - the specified value to update the cell value.

removeRows

public void removeRows(int begrow,
                       int count)

Removes the specified number of rows starting from the given row.

Parameters:

begrow - the first removed row.

count - the number of rows to be removed starting from the first row.

removeCols

public void removeCols(int begcol,
                       int count)

Removes the specified number of columns starting from the given column.

Parameters:

begcol - the first removed column.

count - the number of columns to be removed starting from the first column.

addMatrixListener

public void addMatrixListener(MatrixListener l)

Adds the matrix listener to be notified whenever the matrix cell has been updated or the matrix dimension has been changed.

Parameters:

l - the matrix listener.

removeMatrixListener

public void removeMatrixListener(MatrixListener l)

Removes the matrix listener.

Parameters:

l - the matrix listener.